<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <style>
    .input {
      padding: 4px 8px;
      font-size: 14px;
      line-height: 1.42858;
      color: #333;
      border: 1px solid #ddd;
      background-color: #fff;
      border-radius: 3px;
    }
    .close {
      font-size: 30px;
    }
    .arrow {
      position: relative;
    }
    .arrow:before {
       position: absolute;
        bottom: 100%;
        content: " ";
         height: 0; width: 0;
          pointer-events: none;
           border-style: solid;
            border-color: transparent; border-bottom-color: black;
             border-width: 5px;
            }
  </style>
</head>

<body>
  <input type="text" class="input">
  <span class="close">&times;</span>
  <span class="arrow"></span>
</body>

</html>